6 examples of 'python run same function in parallel' in Python

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15def run_parallel(func, args):
16 processes = []
17 for arg in args:
18 p = Process(target=func, args=arg)
19 p.start()
20 processes.append(p)
21 for p in processes:
22 p.join()
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38@skip_doctest
39def parallel(view, dist='b', block=None, ordered=True, **flags):
40 """Turn a function into a parallel remote function.
41
42 This method can be used for map:
43
44 In [1]: @parallel(view, block=True)
45 ...: def func(a):
46 ...: pass
47 """
48
49 def parallel_function(f):
50 return ParallelFunction(view, f, dist=dist, block=block, ordered=ordered, **flags)
51 return parallel_function
66def bench_run_parallel(self, N, num_threads):
67 """Run :py:meth:`~.bench_run` with :code:`num_threads` threads.
68
69 Args:
70 N (int):
71 Size of the input.
72 num_threads (int):
73 Number of threads.
74 """
75 with freud.parallel.NumThreads(num_threads):
76 self.bench_run(N)
67def test_python_to_cpp_to_python_from_thread_multiple_sequential():
68 """Makes sure there is no GIL deadlock when running in a thread multiple times sequentially.
69
70 It runs in a separate process to be able to stop and assert if it deadlocks.
71 """
72 assert _run_in_process(_python_to_cpp_to_python_from_threads, 8, parallel=False) == 0
10def parallel_execution(self, *tests):
11 suite = unittest.TestSuite()
12 for test in tests:
13 suite.addTest(unittest.TestLoader().loadTestsFromTestCase(test))
14
15 with ThreadPoolExecutor(max_workers=10) as executor:
16 list_of_suites = list(suite)
17 for test in range(len(list_of_suites)):
18 test_name = str(list_of_suites[test])
19 return executor.submit(unittest.TextTestRunner().run, list_of_suites[test])
227def run(self, script):
228 self._monitor_file = open(self._monitor_out, 'w')
229 cmd = [script,
230 '--outputdir', self._output_dir,
231 '--output', self._output,
232 '--report', 'None',
233 '--log', self._log,
234 '--monitorcolors', 'off',
235 '--test', self.test]+\
236 self._args + [self._data_source]
237 print "Starting test execution: %s" % " ".join(cmd)
238 self._process = subprocess.Popen(cmd,
239 shell=os.sep == '\\',
240 stdout=self._monitor_file,
241 stderr=self._monitor_file,
242 env=self._get_environment_variables())

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